168373745111774 has 4 divisors (see below), whose sum is σ = 252560617667664. Its totient is φ = 84186872555886.

The previous prime is 168373745111723. The next prime is 168373745111797. The reversal of 168373745111774 is 477111547373861.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 168373745111774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42093436277942 + ... + 42093436277945.

It is an arithmetic number, because the mean of its divisors is an integer number (63140154416916).

Almost surely, 2^{168373745111774} is an apocalyptic number.

168373745111774 is a deficient number, since it is larger than the sum of its proper divisors (84186872555890).

168373745111774 is an equidigital number, since it uses as much as digits as its factorization.

168373745111774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84186872555889.

The product of its digits is 82978560, while the sum is 65.

The spelling of 168373745111774 in words is "one hundred sixty-eight trillion, three hundred seventy-three billion, seven hundred forty-five million, one hundred eleven thousand, seven hundred seventy-four".